Hirth HM 508

The Hirth HM 508 was an air-cooled, eight-cylinder, 60° cylinder bank angle inverted-V aircraft engine built in Germany in the 1930s. It had a bore and stroke of 105 mm × 115 mm (4.1 in × 4.5 in) and developed 210 kW (280 hp) at 3,000 rpm.

Variants

 * HM 8U:
 * HM 508A:
 * HM 508B:
 * HM 508C: 270 PS
 * HM 508D: 280 PS at 3000 rpm
 * HM 508E: 200 hp
 * HM 508F:
 * HM 508G:
 * HM 508H: 240 hp, low fuel consumption variant, with centrifugal supercharger geared at 3.86:1 crankshaft speed for long-range record breaking aircraft.

Applications

 * Ambrosini S.7
 * Gotha Go 146
 * Gotha Go 149
 * Heinkel He 116
 * IMAM Ro.63
 * Messerschmitt Bf 108
 * Siebel Fh 104
 * Weserflug We 271 Experimental aircraft